new installation 25 error

Hi I have installed the template gk_mystore_quickstart_J25 with a brand new mysql database.
When I run the website I have always following errors :


rty: stdClass::$gk_mystore_date_format in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 45 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 58 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 59 PHP Notice: Undefined property: stdClass::$gk_mystore_date_format in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 45 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 58 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 59 PHP Notice: Undefined property: stdClass::$gk_mystore_date_format in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 45 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 58 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 59 PHP Notice: Undefined property: stdClass::$gk_mystore_date_format in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 45 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 58 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 59 PHP Notice: Undefined property: stdClass::$gk_mystore_date_format in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 45 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\vhosts\ziffiks.be\httpdocs\newziffiks\modules\mod_image_show_gk4\styles\gk_mystore\view.php on line 58 PHP Notice: Undefined property: stdClass::$gk_mystore_title_chars in Z:\inetpub\v

Please configure your server according to Joomla! installer requirements so DISABLE display errors option in php.ini. How to do it you will find at our forum when you use 'Search' option because similar problems are mentioned many many times.